i3-4100U vs i7-640M

Primary details

Comparing Core i7-640M and Core i3-4100U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2277	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	Intel Core i3
Power efficiency	3.54	no data
Architecture codename	Arrandale (2010−2011)	Haswell (2013−2015)
Release date	13 September 2010 (14 years ago)	4 June 2013 (11 years ago)
Launch price (MSRP)	$346	no data

Detailed specifications

Core i7-640M and Core i3-4100U basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	2 (Dual-core)	2 (Dual-core)
Threads	4	4
Base clock speed	2.8 GHz	1.8 GHz
Boost clock speed	3.46 GHz	1.8 GHz
Bus type	DMI 1.0	no data
Bus rate	1 × 2.5 GT/s	5 GT/s
Multiplier	21	no data
L1 cache	128 KB	64K (per core)
L2 cache	512 KB	256K (per core)
L3 cache	4 MB (shared)	3 MB (shared)
Chip lithography	32 nm	22 nm
Die size	81+114 mm2	118 mm2
Maximum core temperature	105 °C	100 °C
Number of transistors	382 Million	1,400 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i7-640M and Core i3-4100U compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1 (Uniprocessor)	1
Socket	BGA1288, PGA988	FCBGA1168
Power consumption (TDP)	35 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-640M and Core i3-4100U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
FMA	+	-
AVX	-	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	+	-
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
PAE	36 Bit	no data
GPIO	no data	+
Smart Connect	no data	+
FDI	+	-
Fast Memory Access	+	no data
AMT	no data	9.5
Matrix Storage	no data	-
HD Audio	no data	+
RST	no data	+

Security technologies

Core i7-640M and Core i3-4100U technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	no data	+
Identity Protection	-	+
Anti-Theft	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-640M and Core i3-4100U are enumerated here.

AMD-V	-	+
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-640M and Core i3-4100U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	8 GB	16 GB
Max memory channels	2	2
Maximum memory bandwidth	17.051 GB/s	25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics for Previous Generation Intel Processors	Intel HD Graphics 4400
Max video memory	no data	2 GB
Quick Sync Video	-	+
Clear Video	+	no data
Clear Video HD	+	+
Graphics max frequency	766 MHz	1 GHz
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Core i7-640M and Core i3-4100U integrated GPUs.

Number of displays supported	2	3
eDP	no data	+
DisplayPort	-	+
HDMI	-	+

Graphics image quality

Maximum display resolutions supported by Core i7-640M and Core i3-4100U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	3200x2000@60Hz
Max resolution over DisplayPort	no data	3200x2000@60Hz
Max resolution over VGA	no data	N/A

Graphics API support

APIs supported by Core i7-640M and Core i3-4100U integrated GPUs, sometimes API versions are included.

DirectX	no data	11.2/12
OpenGL	no data	4.3

Peripherals

Specifications and connection of peripherals supported by Core i7-640M and Core i3-4100U.

PCIe version	2.0	2.0
PCI Express lanes	16	12
PCI support	no data	-
USB revision	no data	3.0
Total number of SATA ports	no data	4
Max number of SATA 6 Gb/s Ports	no data	4
Integrated IDE	no data	-
Number of USB ports	no data	4
Integrated LAN	no data	-
UART	no data	+

Pros & cons summary

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Integrated graphics card	0.77	1.35
Recency	13 September 2010	4 June 2013
Chip lithography	32 nm	22 nm
Power consumption (TDP)	35 Watt	15 Watt

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Should you still have questions on choice between Core i7-640M and Core i3-4100U, ask them in Comments section, and we shall answer.

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